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Declaration of works

United Utilities Declaration of Works Guidance 3

Decalaration of works at:

Address

Postcode:

Names

and

are the legal owners of the above property.

Or, I (your name)

confirm that I have power of attorney to act on behalf of thelegal owners:

Nature of proposal:

Declaration of worksBuilding over (or close to) a public sewer or lateral drain

1 United Utilities will consider providing consent to build over or close to public sewers and lateral drains if the build relates to the extension of a domestic property only. The development involves (please insert X where applicable):

a single-storey extension double-storey extension conservatory/sunroom garage attached to building demountable shed/car portother: please state:

2 I/we are not aware of any historic blockages, flooding, odour or other operational issues with the sewer/lateral drain

3 I/we are not aware of any easements or restrictive covenants which would prohibit build works over or close to the sewer or lateral drain

4 I/we have either verified that the sewer/lateral drain which I/we propose to build over is in good condition as confirmed by a CCTV survey OR:

I/we intend to verify the condition of the sewer/lateral drain by exposing the whole length of the pipe which is intended to be built over.

I/we acknowledge that liability for rectifying any defects with the sewer/drain rests with me/us. I/we have viewed and understood United Utilities guidance notes

Note. If you plan to replace the pipe work, this is not required.

5 The public sewer/drain is gravity based foul, storm water or combined from domestic properties (i.e. not pumped)

6 Depth of the pipe, from the existing ground level to the pipe channel (invert) is less than 2m

7 The diameter of the sewer/drain is 150mm or less

8 The sewer/drain is made of: clay plastic

other (please state):

requires the prior consent of United Utilities along with agreed protection measures:

9 There is no change in diameter, direction, material or gradient beneath the area of the proposed build.

This can be established by employing a competent drainage contractor who will be able to survey the pipe for you via CCTv.

10 The proposed structure will be a minimum of 500mm horizontal clearance of any public access point (manhole, inspection chamber or rodding eye).

11 The proposal does not involve an infill structure from one boundary to another where there are already structures to both sides – e.g. an extension which extends across the whole width of the garden, in instances where adjoining terraced properties have also done this.

12 The development proposals will utilise strip/trench fill foundations.

13 Excluding where the sewer may pass through a load-bearing wall, 500mm horizontal clearance will be achieved between the edge of the new foundations and the sewer/lateral drain (see detail D in guidance).

14 Where foundations are within 1m of the sewer/lateral drain (horizontally), they will be formed at a depth of no less than 150mm below the pipe invert level (see detail D in guidance).

15 If the sewer/lateral drain passes through a load- bearing wall, it will be protected in line with H4 [Building Regulations 2000] and/or supplementary technical drawing set out in our guidance document.

17 A minimum of 300mm headroom will be achieved between the underside of a suspended floor slab and the crown of the sewer/lateral drain, as per the details set out in our guidance document.

18 When building close to a public sewer or lateral drain, please confirm the shortest horizontal distance from the external face of your building to the pipe:

Distance in metres:

Not applicable

I/we confirm that my/our development proposals comply with the above points. I/we also accept that any discrepancies with information relied upon within this document which is later revealed, or any failure to adhere to elements such as establishing the pipe condition (repairing any defects), will render United Utilities consent invalid.

Signed: Date:

Signed: Date:

Return your completed form to [email protected] or post it to

United Utilities Developer Services, Grasmere HouseSecond Floor, Lingley Mere Business Park, Great Sankey, Warrington, WA5 3LP

Our declaration of works criteria

How to secure our Contents consent to build over or

close to a public sewer or lateral drain

Declaration of Works sample form 3 The first thing to do is check if your new building is subject to the Building Regulations. If it is then

Consent criteria 4 - 7 you may be able to utilise our Building Control Protocol Agreement through your building

Construction details 8 control inspector and you will not need to fill in this form. For more information please see Page Other useful information 13 6 of our guidance document called ‘Building

Ready to Build checklist 14 Over Sewers’, this available on our website at: unitedutilities.com/build-over-sewer.aspx

Send your completed Declaration of Works form to: 14 If your building is not subject to the Building regulations, or you are not in a Protocol area then this guidance will help you to fill out the Declaration of Works. In most cases, consent to build over will be provided by letter.

References to ‘pipe’, ‘pipes’ or ‘pipework’ relate to the public sewers and lateral drains which you’re planning to build over or close to. ‘Building close to’ relates to the extension of an existing property where the new building is within 3 metres of a public sewer and/or lateral drain.

2 United Utilities Declaration of Works Guidance

https://unitedutilities.com/build-over-sewer.aspx


ContentsHow to secure our consent to build over or close to a public sewer or lateral drain The first thing to do is check if your new buildingis subject to the Building Regulations. If it is thenyou may be able to utilise our Building ControlProtocol Agreement through your buildingcontrol inspector and you will not need to fill inthis form. For more information please see Page6 of our guidance document called ‘BuildingOver Sewers’, this available on our website at:unitedutilities.com/build-over-sewer.aspxIf your building is not subject to the Buildingregulations, or you are not in a Protocol areathen this guidance will help you to fill out theDeclaration of Works. In most cases, consent tobuild over will be provided by letter.

Our declaration of works criteria

Declaration of Works sample form 3

Consent criteria 4 - 7

Construction details 8

Other useful information 13

Ready to Build checklist 14

Send your completed Declaration of Works form to: 14

References to ‘pipe’, ‘pipes’ or ‘pipework’ relate to the public sewers and lateral drains which you’re planning to build over or close to.‘Building close to’ relates to the extension of an existing property where the new building is within 3 metres of a public sewer and/or lateral drain.


Address

Postcode:

Names

and


Or, I (your name)

confirm that I have power of attorney to act on behalf of the legal owners:

Nature of proposal:

Declaration of works Building over (or close to) a public sewer or lateral drain

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a single-storey extension double-storey extension conservatory/sunroom garage attached to building demountable shed/car port other: please state:























Distance in metres:

Not applicable


Signed: Date:

Signed: Date:

Return your completed form to wastewaterdeveloperservices@ uuplc.co.uk or post it to

United Utilities Developer Services, Grasmere House Second Floor, Lingley Mere Business Park, Great Sankey, Warrington, WA5 3LP



You will need to establish and confirm: We’ll say yes, if... We’ll say no, if... Further advice:

5. The sewer or lateral drain is a gravity flow pipe.

The pipe freely flows and is not pressurised.

The pipe is a pressurised main.

This can potentially be resolved if the sewer can be diverted and the customer is prepared to enter into Sewer Diversion Agreement in accordance with S.185 Water Industry Act 1991. Please see unitedutilities.com/sewer-diversion.aspx for more details.

6. Depth of the pipe from the existing ground level to the pipe channel (invert).

2m or less. Greater than 2m. Pipes deeper than 2m but less than 3m may fall under our protocol agreement with Building Control Bodies who can sign off some works on our behalf. For mor information please see our ‘building over sewers guide’ at unitedutilities.com/build-over-sewer.aspx

7. The pipe’s internal diameter. These typically relate to standard sizes, 100, 150, 225mm or the equivalent 4, 6, 9 inches.

If the pipe has an internal diameter of 150mm (6 inch) or less, consent will be issued via letter, if approved.

The pipe is larger than 150mm internal diameter but your development may fall within our ‘protocol’ arrangement which will allow for slightly larger pipes.

This can potentially be resolved if either the size or shape of the building works is altered or the sewer is diverted using the Diversion process. Larger pipes (over 225mm or 9 inches) will need a full enquiry form filling out. Please see the Developer Services section of our website for more details.

8. The pipe material.

Clay, plastic. Pitch fibre, brick, asbestos cement.

This can potentially be resolved if the pipework is replaced before building works begin.

9. The pipe continuity under the new building.

The pipe does not change in diameter, direction, material or gradient beneath the proposed new building.

Diameter, direction, material or gradient clearly changes beneath (or close to) the area of proposed build.

This can potentially be resolved if the pipework is replaced and/or realigned before building works begin.

Continued overleaf...

Consent criteria continued...

Consent criteria


1. The type of Your development Your development We cannot permit a build over/close to for building works. involves a single

or double storey residential extension, conservatory, annexe or garage which

involves the construction of a new residential property, the extension of industrial and

the following:-X New residential properties

X Extensions of industrial and commercial properties

is attached to the existing property.

commercial property or any detached ancillary buildings or structure.

X Detached ancillary buildings or structure

X If the pipe to be built over/close to is found to be defective and not repaired

X The pipe diameter, direction, material or gradient changes beneath the area of the proposed build and cannot be replaced/ removed.

X If you are unable to relocate the access point, i.e. access is on junction of sewers or a change of direction

X Your proposal involves an infill structure from one boundary to another where there are already structures on both sides

X Pressurised pipes such as rising mains and water mains.

2. I/we are You are not aware You have had reason This may be a sign of issues with the sewer not aware of of any historic to contact United or drains which may or may not be resolved, any historic blockages, flooding, Utilities or another building over problematic sewers is not blockages, odour or other drainage professional allowed. Please see information on defective flooding, odour or operational issues as a result of problems sewers at the back of this document. other operational with the sewer/lateral with the sewers or issues with the drain. lateral drains within sewer/lateral your property and drain. these have not been

repaired.

3. Are you aware You are not aware You are aware of Legal easements on pipes are quite rare but of the presence of easements or easement/covenants if you suspect that there is one on a sewer of an easement covenants which which relate to the crossing your property the details of any or restrictive relate to the pipework pipework which you easements should be included with your covenants which which you propose to propose to be built property deeds and will detail any rules prohibit building? build over/close to. over/close to. around building near to sewers.

4. The pipes Pipe is in good The pipework is found This can potentially be resolved if the pipe is condition (where condition. This can to be defective and is replaced. existing pipework be established by not repaired. For further information please see our is not being exposing the length alterations page at the back of thisreplaced). of pipe which will

be built over or the completion of an internal CCTV survey.

document.



Consent criteria


1. The type of building works.

Your development involves a single or double storey residential extension, conservatory, annexe or garage which is attached to the existing property.

Your development involves the construction of a new residential property, the extension of industrial and commercial property or any detached ancillary buildings or structure.

We cannot permit a build over/close to for the following:-X New residential propertiesX Extensions of industrial and commercial

propertiesX Detached ancillary buildings or structureX If the pipe to be built over/close to is found

to be defective and not repairedX The pipe diameter, direction, material or

gradient changes beneath the area of the proposed build and cannot be replaced/removed.

X If you are unable to relocate the access point, i.e. access is on junction of sewers or a change of direction

X Your proposal involves an infill structure from one boundary to another where there are already structures on both sides

X Pressurised pipes such as rising mains and water mains.

2. I/we are not aware of any historic blockages, flooding, odour or other operational issues with the sewer/lateral drain.

You are not aware of any historic blockages, flooding, odour or other operational issues with the sewer/lateral drain.

You have had reason to contact United Utilities or another drainage professional as a result of problems with the sewers or lateral drains within your property and these have not been repaired.

This may be a sign of issues with the sewer or drains which may or may not be resolved, building over problematic sewers is not allowed. Please see information on defective sewers at the back of this document.

3. Are you aware of the presence of an easement or restrictive covenants which prohibit building?

You are not aware of easements or covenants which relate to the pipework which you propose to build over/close to.

You are aware of easement/covenants which relate to the pipework which you propose to be built over/close to.

Legal easements on pipes are quite rare but if you suspect that there is one on a sewer crossing your property the details of any easements should be included with your property deeds and will detail any rules around building near to sewers.

4. The pipes condition (where existing pipework is not being replaced).

Pipe is in good condition. This can be established by exposing the length of pipe which will be built over or the completion of an internal CCTV survey.

The pipework is found to be defective and is not repaired.

This can potentially be resolved if the pipe is replaced. For further information please see our alterations page at the back of this document.



5. The sewer or The pipe freely flows The pipe is a This can potentially be resolved if the sewer lateral drain is a and is not pressurised. pressurised main. can be diverted and the customer is prepared gravity flow pipe. to enter into Sewer Diversion Agreement in

accordance with S.185 Water Industry Act 1991. Please see unitedutilities.com/sewer-diversion.aspx for more details.

6. Depth of the 2m or less. Greater than 2m. Pipes deeper than 2m but less than 3m pipe from the may fall under our protocol agreement existing ground with Building Control Bodies who can sign level to the pipe off some works on our behalf. For mor channel (invert). information please see our ‘building over

sewers guide’ at unitedutilities.com/build-over-sewer.aspx

7. The pipe’s internal diameter. These typically relate to standard sizes, 100, 150, 225mm or the equivalent 4, 6, 9 inches.

If the pipe has an internal diameter of 150mm (6 inch) or less, consent will be issued via letter, if approved.

The pipe is larger than 150mm internal diameter but your development may fall within our ‘protocol’ arrangement which will allow for slightly larger pipes.

This can potentially be resolved if either the size or shape of the building works is altered or the sewer is diverted using the Diversion process. Larger pipes (over 225mm or 9 inches) will need a full enquiry form filling out. Please see the Developer Services section of our website for more details.

8. The pipe material.

Clay, plastic. Pitch fibre, brick, asbestos cement.

This can potentially be resolved if the pipework is replaced before building works begin.

9. The pipe The pipe does not Diameter, direction, This can potentially be resolved if the continuity under change in diameter, material or gradient pipework is replaced and/or realigned before the new building. direction, material

or gradient beneath the proposed new building.

clearly changes beneath (or close to) the area of proposed build.

building works begin.





https://unitedutilities.com/sewer-diversion.aspx

https://unitedutilities.com/sewer-diversion.aspx




15. Protecting the pipe where walls/foundation are built and cross over.

Your foundation design complies with the Standards set out within H1 Building Regulations and United Utilities. See Detail E

The minimum lintel requirements cannot be achieved.

16. Distance between the floor of the new building and pipe.

Your design incorporates a minimum of 300mm headroom between the underside of the new floor slab and the pipe. See Detail D

Your design cannot provide 300mm of headroom between the underside of the new floor and the pipe.

17. The distance from the external face of your build or pipe in meters.

If your build and its foundations are deeper than our sewer / lateral drain. See Detail D

Your building and its foundation are likely to transfer an additional load (weight) onto the sewer / lateral drain via the surrounding ground.

Please confirm the distance between our sewer or lateral drain and the external face of builds foundation. If this distance varies, (e.g. the pipe is diagonal to the build), please attach a plan with dimensions to your submission.


10. Existing access points. This relates to manholes, inspection chambers and rodding eyes.

Your building will not be over the existing access point and is a minimum of 500mm from the new build.

You are unable to meet the minimum 500mm clearance requirement or the existing access will be under the new building.

This can potentially be resolved if the affected access can be repositioned or the shape of the build/extension is adjusted to meet this requirement. See Detail A


11. Overall length You do not intend to You intend to build This can potentially be resolved if suitable of pipe (sewer) build across the full across the full width alternative access arrangements to the public with no external width of your garden. of your garden and sewer network can be provided by amending access. This is If you do, external your neighbours the shape of your building. only applicable access to the sewer have also done the See Detail B for terraced is available via the same. This will result properties where adjacent neighbour’s in a situation where building works garden. there is no external over a sewer are access to the sewer proposed across across three or more the whole width adjoining properties. of the garden.

12. The type of Your building relies Your building will If your development falls within our protocol foundation which on traditional strip or use another form of agreement criteria then your appointed you intend to use. trench fill foundations.

See Detail C foundation design e.g. pad, piling, raft, cantilever, etc.

building control body may be able to sign this off on our behalf. Please see our building over sewers guide www.unitedutilities.com/ build-over-sewer.aspx

13. Foundation The foundation Your foundation This can potentially be resolved if a detail positioning. design protects the design cannot achieve is submitted to us showig how the pipe will Distance between pipe where it passes 500mm clearance be protected during and after works. Your the pipe and nearby. from the pipe. builder, architect, engineer or surveyor may foundations. See Detail D

The foundations which support the walls which do not cross the sewer, must have a minimum 500mm horizontal clearance between the edge of the new foundations and pipe.

be able to provide this for you.

14. Depth of your foundation in relation to the pipe.

Your foundations are designed to be at least 150mm below the pipe.

Required foundation depth cannot be achieved.

This can potentially be resolved if alternative foundation proposals are submitted and agreed. See Detail D







10. Existing access points.This relates to manholes, inspection chambers and rodding eyes.

Your building will not be over the existing access point and is a minimum of 500mm from the new build.

You are unable to meet the minimum 500mm clearance requirement or the existing access will be under the new building.

This can potentially be resolved if the affected access can be repositioned or the shape of the build/extension is adjusted to meet this requirement. See Detail A


11. Overall length of pipe (sewer) with no external access. This is only applicable for terraced properties where building works over a sewer are proposed across the whole width of the garden.

You do not intend to build across the full width of your garden. If you do, external access to the sewer is available via the adjacent neighbour’s garden.

You intend to build across the full width of your garden and your neighbours have also done the same. This will result in a situation where there is no external access to the sewer across three or more adjoining properties.

This can potentially be resolved if suitable alternative access arrangements to the public sewer network can be provided by amending the shape of your building. See Detail B

12. The type of foundation which you intend to use.

Your building relies on traditional strip or trench fill foundations.See Detail C

Your building will use another form of foundation design e.g. pad, piling, raft, cantilever, etc.

If your development falls within our protocol agreement criteria then your appointed building control body may be able to sign this off on our behalf. Please see our building over sewers guide www.unitedutilities.com/build-over-sewer.aspx

13. Foundation positioning.Distance between the pipe and foundations.

The foundation design protects the pipe where it passes nearby. See Detail DThe foundations which support the walls which do not cross the sewer, must have a minimum 500mm horizontal clearance between the edge of the new foundations and pipe.

Your foundation design cannot achieve 500mm clearance from the pipe.

This can potentially be resolved if a detail is submitted to us showig how the pipe will be protected during and after works. Your builder, architect, engineer or surveyor may be able to provide this for you.

14. Depth of your foundation in relation to the pipe.

Your foundations are designed to be at least 150mm below the pipe.

Required foundation depth cannot be achieved.

This can potentially be resolved if alternative foundation proposals are submitted and agreed. See Detail D




15. Protecting the pipe where walls/ foundation are built and cross over.

Your foundation design complies with the Standards set out within H1 Building Regulations and United Utilities. See Detail E

The minimum lintel requirements cannot be achieved.

16. Distance Your design Your design cannot between the incorporates a provide 300mm of floor of the new minimum of 300mm headroom between building and pipe. headroom between

the underside of the new floor slab and the pipe. See Detail D

the underside of the new floor and the pipe.

17. The distance If your build and Your building and Please confirm the distance between our from the external its foundations are its foundation are sewer or lateral drain and the external face face of your build deeper than our sewer likely to transfer of builds foundation. If this distance varies, or pipe in meters. / lateral drain.

See Detail D an additional load (weight) onto the sewer / lateral drain via the surrounding ground.

(e.g. the pipe is diagonal to the build), please attach a plan with dimensions to your submission.



Detail B

NOT ACCEPTABLE

ACCEPTABLE

Key:

1 Length of pipe built over is not acceptable as it is over six metres long, with no space for access

2 This can be overcome by amending the shape of the building and repositioning the existing access

1

2

Please note: Diagrams not to scale

Detail A

Existing inspection chamber on the public sewer

Repositioned inspection chamber on the public sewer

Existing property

New extension




Detail A

Existing inspection chamber on the public sewer

Repositioned inspection chamber on the public sewer

Existing property

New extension


• •

Detail B

NOT ACCEPTABLE 1

ACCEPTABLE 2

Key:

1

2

Length of pipe built over is not acceptable as it is over six metres long, with no space for access

This can be overcome by amending the shape of the building and repositioning the existing access




Detail D

Minimum 500mm horizontal clearance between foundation and sewers.

Depth of foundation in realtion to the pipe should be 150mm within one metre horizontally

Example of existing sewer run below or next to new building

EXTENSIONORIGINALPROPERTY

Foundation150mm150mm

300mm

500mm 500mm


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Detail C

EXTENSION

Strip fill foundation

EXTENSION

Trench fill foundation




Detail D

Minimum 500mm horizontal clearance between foundation and sewers.

Depth of foundation in realtion to the pipe should be 150mm within one metre horizontally

Example of existing sewer run below or next to new building

EXTENSIONORIGINALPROPERTY

Foundation150mm150mm

300mm

500mm 500mm


United Utilities Build over a Public Sewer Guidance 13

Other useful information

If you need to undertake any alterations to a public sewer or lateral drain, such as repositioning an existing inspection chamber, or replacing a defective pipe, the scope of the work will need to be agreed in advance with us. Please submit detail of your proposed alterations to [email protected]

United Utilities will not permit a new building over or near to any defective sewer and reserve the right to withhold permission to build over until all defects are rectified. United Utilities have a responsibility to carry out repairs to defective sewers, however this work would be prioritised according to customer impact, risk and business needs. Therefore the time scales involved in arranging any works may not be conducive to your building works. In certain circumstances, to facilitate the building works and only where United Utilities classify the defects as no immediate risk to customers, then permission may be given to the applicant to carry out a repair. This will be at the developer’s own expense and any permission to carry out works would be assessed on a site by site basis.

You and your contractor will also need to take account of the following requirements prior to any works:Any work undertaken on the public sewerage network needs to take account of a host of hazards including, but not limited to: confined spaces, working at depth and the potential presence of toxic/explosive gases.

Working on or entering the public sewer (including CCTV survey work, altering the public sewer or public sewer manholes)All of United Utilities wastewater assets fall under the ‘Dangerous Substances and Explosive Atmospheres Regulations’ (DSEAR) and as such all sewers are classed as ‘zone 2’. This means that any CCTV survey equipment used within the sewers needs to be intrinsically safe (Ex rated) as to not cause ignition or spark in a potentially explosive atmosphere. For access to work on the public sewer network, please visit our website www.unitedutilities.com/builders-developers/working-near-our-assets/ for more information on what you need to do.

' 150mm (min)

50mm (min)

Foundation

Compacted pea gravel

Compacted granular fill

Detail E

Concrete lintel

Isometric

Arch or lintelled opening to give 50mm space all round the pipe

Mask opening on all sides with rigid sheet material to prevent entry of fill or vermin

50mm (min)


12 United Utilities Build over a Public Sewer Guidance

12 United Utilities Build over a Public Sewer Guidance

Detail E

Isometric

Arch or lintelledopening to give50mm space allround the pipe

Mask opening on all sides with rigid sheet material to prevent entry of fill or vermin

50mm (min)

150mm (min)

50mm (min)

Concrete lintel

Foundation

Compactedpea gravel

Compacted granular fill


Other useful information

If you need to undertake any alterations to a public sewer or lateral drain, such as repositioning an existing inspection chamber, or replacing a defective pipe, the scope of the work will need to be agreed in advance with us. Please submit detail of your proposed alterations to [email protected]

United Utilities will not permit a new building over or near to any defective sewer and reserve the right to withhold permission to build over until all defects are rectified. United Utilities have a responsibility to carry out repairs to defective sewers, however this work would be prioritised according to customer impact, risk and business needs. Therefore the time scales involved in arranging any works may not be conducive to your building works. In certain circumstances, to facilitate the building works and only where United Utilities classify the defects as no immediate risk to customers, then permission may be given to the applicant to carry out a repair. This will be at the developer’s own expense and any permission to carry out works would be assessed on a site by site basis.

You and your contractor will also need to take account of the following requirements prior to any works: Any work undertaken on the public sewerage network needs to take account of a host of hazards including, but not limited to: confined spaces, working at depth and the potential presence of toxic/explosive gases.

Working on or entering the public sewer (including CCTV survey work, altering the public sewer or public sewer manholes) All of United Utilities wastewater assets fall under the ‘Dangerous Substances and Explosive Atmospheres Regulations’ (DSEAR) and as such all sewers are classed as ‘zone 2’. This means that any CCTV survey equipment used within the sewers needs to be intrinsically safe (Ex rated) as to not cause ignition or spark in a potentially explosive atmosphere. For access to work on the public sewer network, please visit our website www.unitedutilities.com/builders-developers/working-near-our-assets/ for more information on what you need to do.

United Utilities Build over a Public Sewer Guidance 13

https://www.unitedutilities.com/builders-developers/working-near-our-assets/

mailto:[email protected]

https://www.unitedutilities.com/builders-developers/working-near-our-assets/


Address

Postcode:

Names

and


Or, I (your name)

confirm that I have power of attorney to act on behalf of thelegal owners:

Nature of proposal:

Declaration of worksBuilding over (or close to) a public sewer or lateral drain


a single-storey extension double-storey extension conservatory/sunroom garage attached to building demountable shed/car portother: please state:























Distance in metres:

Not applicable


Signed: Date:

Signed: Date:

Return your completed form to [email protected] or post it to

United Utilities Developer Services, Grasmere HouseSecond Floor, Lingley Mere Business Park, Great Sankey, Warrington, WA5 3LP

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Ready to Build? Here’s a handy checklist to make sure you’ve got everything covered…

Identify whether there are any public sewers or lateral drains within the area of your proposed build • Look for details of a drainage arrangement

included with the legal documents for yourhouse

• Seek the advice of your designer/architect,preferred builder or other suitably qualifiedprofessional

• United Utilities does not currently off a sewertracing service.

Check our consent criteria • Establish whether your build will be able

to satisfy our criteria and whether anyalterations to our network are necessary.

Complete and submit a Declaration of Works or make a full application

• We also need to see details of yourproposals drawn on a plan (to scale) showingfoundation details, location of the sewer andsewer access points (manholes or inspectionchambers).

• Submission of these details will enable us toreview your declaration and inform you ofthe next steps in the process.

Send your completed Declaration of Works form to:

United Utilities Developer Services Grasmere House Second Floor Lingley Mere Business Park Great Sankey Warrington WA5 3LP

Make sure you have: • Completed all parts of the form• Signed the form• Included details from any CCTV survey you may

have conducted.



Ready to Build? Here’s a handy checklist to make sure you’ve got everything covered…

Identify whether there are any public sewers or lateral drains within the area of your proposed build• Look for details of a drainage arrangement

included with the legal documents for your house

• Seek the advice of your designer/architect, preferred builder or other suitably qualified professional

• United Utilities does not currently off a sewer tracing service.

Check our consent criteria• Establish whether your build will be able

to satisfy our criteria and whether any alterations to our network are necessary.

Complete and submit a Declaration of Works or make a full application• We also need to see details of your

proposals drawn on a plan (to scale) showing foundation details, location of the sewer and sewer access points (manholes or inspection chambers).

• Submission of these details will enable us to review your declaration and inform you of the next steps in the process.

Send your completed Declaration of Works form to:

United Utilities Developer ServicesGrasmere House Second FloorLingley Mere Business ParkGreat SankeyWarringtonWA5 3LP

Make sure you have:• Completed all parts of the form• Signed the form• Included details from any CCTV survey you may

have conducted.

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I aAunited \::, Utilities Water for the North West

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Declaration of works Building over (or close to) a public sewer or lateral drain


Address

Postcode:

Names

and


Or, I (your name)

confirm that I have power of attorney to act on behalf of the legal owners:

Nature of proposal:

United Utilities will consider providing consent to build over or close to public sewers and lateral drains if the build relates to the extension of a domestic property only. The development involves (please insert X where applicable):

a single-storey extension double-storey extension conservatory/sunroom garage attached to building demountable shed/car port other: please state:





I/we acknowledge that liability for rectifying any defectswith the sewer/drain rests with me/us. I/we have viewed and understood United Utilities guidance notes

















18 When building close to a public sewer or lateral drain,please confirm the shortest horizontal distance from the external face of your building to the pipe:

Distance in metres:

Not applicable


Signed: Date:

Signed: Date:

Return your completed form to wastewaterdeveloperservices@ uuplc.co.uk or post it to

United Utilities Developer Services, Grasmere House Second Floor, Lingley Mere Business Park, Great Sankey, Warrington, WA5 3LP

mailto:wastewaterdeveloperservices@ uuplc.co.uk

mailto:wastewaterdeveloperservices@ uuplc.co.uk

’

I ~A United ~ Utilities Water for the North West

About us United Utilities is the North West’s water company. We keep the taps flowing and toilets flushing for seven million customers every day. From Crewe to Carlisle, we work hard behind the scenes to help your life flow smoothly.

United Utilities Water Limited, Haweswater House, Lingley Mere Business Park, Lingley Green Avenue, Warrington WA5 3LP. Registered in England and Wales. Registered Number 2366678.

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